#include <iostream>
using namespace std;
void display(char = '*', int = 3);
int main()
{
    int n = 5;
    cout<<"No argument passed: ";
    display();
    cout<<"First argument passed: ";
    display('#');
    cout<<"Both arguments passed: ";
    display('$',n);
    return 0;
}
void display(char c, int n)
{
    for(int i=1;i<=n;++i)
    {
        cout<<c;
    }
    cout<<endl;
}